ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 06Z 09-Mar-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 11 PM Sat Mar 08 2025 21F 22F / 47% NW 12 G 15 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sun Mar 09 2025 20F 22F / 44% WNW 13 G 17 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sun Mar 09 2025 21F 23F / 41% WNW 13 G 18 MPH 5000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Mar 09 2025 21F 24F / 38% WNW 12 G 16 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Mar 09 2025 21F 23F / 39% W 11 G 13 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Mar 09 2025 22F 24F / 37% W 11 G 13 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun Mar 09 2025 23F 24F / 39% W 12 G 16 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun Mar 09 2025 23F 24F / 36% WSW 13 G 17 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun Mar 09 2025 23F 24F / 31% WSW 13 G 17 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun Mar 09 2025 24F 24F / 31% WSW 14 G 19 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun Mar 09 2025 26F 26F / 30% WSW 14 G 21 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun Mar 09 2025 31F 28F / 36% SW 13 G 22 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun Mar 09 2025 35F 29F / 37% SW 12 G 21 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun Mar 09 2025 36F 30F / 36% SW 13 G 23 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun Mar 09 2025 37F 30F / 34% SW 13 G 24 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun Mar 09 2025 37F 30F / 34% SW 13 G 25 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun Mar 09 2025 35F 30F / 34% SW 14 G 25 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sun Mar 09 2025 34F 30F / 30% SW 14 G 26 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sun Mar 09 2025 31F 29F / 31% SW 15 G 26 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sun Mar 09 2025 28F 27F / 28% SW 16 G 28 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sun Mar 09 2025 27F 27F / 26% SW 18 G 30 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sun Mar 09 2025 26F 27F / 28% SW 20 G 32 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sun Mar 09 2025 26F 26F / 29% SW 21 G 33 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sun Mar 09 2025 26F 26F / 34% SW 21 G 34 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Mon Mar 10 2025 26F 26F / 38% SSW 21 G 37 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Mon Mar 10 2025 26F 26F / 42% SSW 24 G 40 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Mon Mar 10 2025 26F 26F / 41% SSW 25 G 42 MPH 6800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Mon Mar 10 2025 25F 26F / 36% SSW 27 G 45 MPH 6500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Mon Mar 10 2025 25F 26F / 30% SW 28 G 46 MPH 6400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Mon Mar 10 2025 25F 25F / 28% SW 29 G 47 MPH 6100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Mon Mar 10 2025 24F 24F / 31% WSW 25 G 41 MPH 6100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Mon Mar 10 2025 24F 23F / 34% WSW 24 G 37 MPH 6000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Mon Mar 10 2025 24F 23F / 33% WSW 24 G 38 MPH 6000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Mon Mar 10 2025 24F 23F / 34% WSW 23 G 36 MPH 5900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Mon Mar 10 2025 26F 24F / 32% WSW 20 G 32 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Mon Mar 10 2025 30F 25F / 32% WSW 18 G 30 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Mon Mar 10 2025 33F 25F / 32% WSW 17 G 28 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Mon Mar 10 2025 35F 27F / 28% WSW 15 G 28 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Mon Mar 10 2025 36F 28F / 31% WSW 16 G 28 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Mon Mar 10 2025 37F 29F / 30% SW 15 G 28 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Mon Mar 10 2025 37F 29F / 32% SW 15 G 29 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Mon Mar 10 2025 36F 29F / 34% SW 17 G 31 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Mon Mar 10 2025 34F 29F / 36% WSW 17 G 28 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Mon Mar 10 2025 30F 27F / 37% SW 16 G 29 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Mon Mar 10 2025 29F 27F / 34% SW 17 G 30 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Mon Mar 10 2025 28F 26F / 36% SW 21 G 33 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Mon Mar 10 2025 27F 25F / 33% SW 21 G 35 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Mon Mar 10 2025 27F 25F / 35% SSW 21 G 36 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Tue Mar 11 2025 27F 25F / 39% SSW 21 G 35 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0"